Re: [PATCH 1/3] perf/core: Provide a kernel-internal interface to recalibrate event period

From: Paolo Bonzini
Date: Mon Oct 07 2019 - 11:05:22 EST


On 07/10/19 15:25, Liang, Kan wrote:
>
>> On 30/09/19 09:22, Like Xu wrote:
>>> -static int perf_event_period(struct perf_event *event, u64 __user *arg)
>>> +static int _perf_event_period(struct perf_event *event, u64 value)
>>
>> __perf_event_period or perf_event_period_locked would be more consistent
>> with other code in Linux.
>>
>
> But that will be not consistent with current perf code. For example,
> _perf_event_enable(), _perf_event_disable(), _perf_event_reset() and
> _perf_event_refresh().
> Currently, The function name without '_' prefix is the one exported and
> with lock. The function name with '_' prefix is the main body.
>
> If we have to use the "_locked" or "__", I think we'd better change the
> name for other functions as well.

Oh, sorry I missed that.

Paolo